| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 13G-21-31114 | FRAME | 81136- | |
| 1 | 13G-21-31112 | CASE AND FRAME | 80588-81135 | |
| 1 | 130-22-12141 | BUSHING (WELDED) | 80588- | |
| 2 | 07049-02430 | PLUG | 80588- | |
| 3 | 131-21-41520 | PLUG | 80588- | |
| 4 | 135-21-31240 | RETAINER,L.H. | 80588- | |
| 5 | 135-21-31220 | RETAINER,R.H. | 80588- | |
| 6 | 04020-00616 | PIN,DOWEL | 80588- | |
| 7 | 01019-22000 | BOLT | 80588- | |
| 8 | 01643-32060 | WASHER | 80588- | |
| 9 | 01010-30816 | BOLT | 80588- | |
| 10 | 130-21-12322 | LOCK | 80588- | |
| 11 | 130-21-12330 | LOCK | 80588- | |
| 12 | 130-21-61422 | FILLER | 80588- | |
| 13 | 01010-31020 | BOLT | 80588- | |
| 14 | 01602-01030 | WASHER,SPRING | 80588- | |
| 15 | 131-21-41290 | CAP | 80588- | |
| 16 | 01010-32280 | BOLT | 80588- | |
| 17 | 01643-32260 | WASHER | 80588- | |
| 18 | 135-21-31230 | COVER | 80588- | |
| 19 | 130-21-61281 | GASKET,L.H. | 81261- | |
| 19 | 130-21-61280 | GASKET,L.H. | 80588-81260 | |
| 19 | 130-21-61291 | GASKET,R.H. | 81261- | |
| 19 | 130-21-61290 | GASKET,R.H. | 80588-81260 | |
| 20 | 01010-31425 | BOLT | 80588- | |
| 21 | 01602-01442 | WASHER,SPRING | 80588- | |
| 22 | 131-21-41222 | COVER | 80588- | |
| 23 | 07000-05185 | O-RING | 80588- | |
| 24 | 01010-31430 | BOLT | 80588- | |
| 25 | 01602-01442 | WASHER,SPRING | 80588- | |
| 26 | 134-21-31140 | GAUGE | 80588- | |
| 27 | 135-27-11151 | PLUG | 80588- | |
| 28 | 07044-13620 | PLUG | 80588- | |
| 29 | 07002-03634 | O-RING | 80588- | |
| 30 | 130-21-71380 | COVER | 80588- | |
| 31 | 130-21-71391 | GASKET | 81261- | |
| 31 | 130-21-71390 | GASKET | 80588-81260 | |
| 32 | 01010-51440 | BOLT | 80588- | |
| 33 | 01602-21442 | WASHER,SPRING | 80588- | |
| 34 | 07049-01215 | PLUG | 80588- | |
| 35 | 07049-02025 | PLUG | 80588- | |
| 36 | 130-21-71440 | NIPPLE | 80588- | |
| 37 | 07030-10252 | BREATHER | 80588- |